diff --git a/GameSettings.cpp b/GameSettings.cpp
index 16cc6d29..fcda4f75 100644
--- a/GameSettings.cpp
+++ b/GameSettings.cpp
@@ -1977,8 +1977,6 @@ void LoadGameExternalOptions()
 
 	gGameExternalOptions.fASDActive							= iniReader.ReadBoolean( "Strategic Additional Enemy AI Settings", "ASD_ACTIVE", FALSE );
 
-	gGameExternalOptions.usASDSupplyArrivalSector			= iniReader.ReadInteger( "Strategic Additional Enemy AI Settings", "ASD_SUPPLY_ARRIVAL_SECTOR", 210, 0, 255 );
-
 	gGameExternalOptions.gASDResource_Cost[ASD_MONEY]		= 1;
 	gGameExternalOptions.gASDResource_Cost[ASD_FUEL]		= iniReader.ReadInteger( "Strategic Additional Enemy AI Settings", "ASD_COST_FUEL", 10, 1, 100 );
 	gGameExternalOptions.gASDResource_Cost[ASD_HELI]		= iniReader.ReadInteger( "Strategic Additional Enemy AI Settings", "ASD_COST_HELI", 100000, 10000, 1000000 );
@@ -1995,6 +1993,7 @@ void LoadGameExternalOptions()
 	//################# Enemy Helicopter Settings ##################
 
 	gGameExternalOptions.fEnemyHeliActive					= iniReader.ReadBoolean( "Enemy Helicopter Settings", "ENEMYHELI_ACTIVE", TRUE );
+	gGameExternalOptions.usEnemyHeliMinimumProgress			= iniReader.ReadInteger( "Enemy Helicopter Settings", "ENEMYHELI_DEFINITE_UNLOCK_AT_PROGRESS", 30, 0, 100 );
 
 	gGameExternalOptions.gEnemyHeliMaxHP					= iniReader.ReadInteger( "Enemy Helicopter Settings", "ENEMYHELI_HP", 100, 1, 500 );
 	gGameExternalOptions.gEnemyHeliTimePerHPRepair			= iniReader.ReadInteger( "Enemy Helicopter Settings", "ENEMYHELI_HP_REPAIRTIME", 6, 1, 20 );
@@ -2008,14 +2007,7 @@ void LoadGameExternalOptions()
 	gGameExternalOptions.gEnemyHeliSAMDamage_Var			= iniReader.ReadInteger( "Enemy Helicopter Settings", "ENEMYHELI_SAM_DAMAGE_VAR", 30, 10, 100 );
 	gGameExternalOptions.gEnemyHeliMANPADSDamage_Base		= iniReader.ReadInteger( "Enemy Helicopter Settings", "ENEMYHELI_MANPADS_DAMAGE_BASE", 40, 10, 100 );
 	gGameExternalOptions.gEnemyHeliMANPADSDamage_Var		= iniReader.ReadInteger( "Enemy Helicopter Settings", "ENEMYHELI_MANPADS_DAMAGE_VAR", 80, 10, 100 );
-
-	gGameExternalOptions.usEnemyHeliBaseSector				= iniReader.ReadInteger( "Enemy Helicopter Settings", "ENEMYHELI_BASE", 210, 0, 255 );
-
-	gGameExternalOptions.sEnemyHeliBaseParkGridno[0]		= iniReader.ReadInteger( "Enemy Helicopter Settings", "ENEMYHELI_BASE_PARKPOSITION_1", 18475, -1, 2147483647 );
-	gGameExternalOptions.sEnemyHeliBaseParkGridno[1]		= iniReader.ReadInteger( "Enemy Helicopter Settings", "ENEMYHELI_BASE_PARKPOSITION_2", 18469, -1, 2147483647 );
-	gGameExternalOptions.sEnemyHeliBaseParkTileIndex		= iniReader.ReadInteger( "Enemy Helicopter Settings", "ENEMYHELI_BASE_PARK_TILEINDEX", 1689, -1, 50000 );
-
-	
+			
 	//################# Militia Training Settings ##################
 
 	gGameExternalOptions.iMaxMilitiaPerSector				= iniReader.ReadInteger("Militia Training Settings","MAX_MILITIA_PER_SECTOR",20, 1, CODE_MAXIMUM_NUMBER_OF_REBELS);
@@ -2811,6 +2803,17 @@ void LoadModSettings(){
 	gModSettings.ubEndGameVictorySectorY = iniReader.ReadInteger("End Game", "VICTORY_SECTOR_Y", 16);
 	gModSettings.iEndGameVictoryGridNo = iniReader.ReadInteger("End Game", "VICTORY_POSITION", 5687);
 
+	// [ASD]
+	gModSettings.usASDSupplyArrivalSectorX = iniReader.ReadInteger( "ASD", "ASD_SUPPLY_ARRIVAL_SECTOR_X", 3, 1, 16 );
+	gModSettings.usASDSupplyArrivalSectorY = iniReader.ReadInteger( "ASD", "ASD_SUPPLY_ARRIVAL_SECTOR_Y", 14, 1, 16 );
+
+	// [Enemy Heli]
+	gModSettings.usEnemyHeliBaseSectorX	= iniReader.ReadInteger( "Enemy Heli", "ENEMYHELI_BASE_X", 3, 1, 16 );
+	gModSettings.usEnemyHeliBaseSectorY = iniReader.ReadInteger( "Enemy Heli", "ENEMYHELI_BASE_Y", 14, 1, 16 );
+
+	gModSettings.sEnemyHeliBaseParkGridno[0] = iniReader.ReadInteger( "Enemy Heli", "ENEMYHELI_BASE_PARKPOSITION_1", 18475, -1, 2147483647 );
+	gModSettings.sEnemyHeliBaseParkGridno[1] = iniReader.ReadInteger( "Enemy Heli", "ENEMYHELI_BASE_PARKPOSITION_2", 18469, -1, 2147483647 );
+	gModSettings.sEnemyHeliBaseParkTileIndex = iniReader.ReadInteger( "Enemy Heli", "ENEMYHELI_BASE_PARK_TILEINDEX", 1689, -1, 50000 );
 }
 
 // silversurfer: load item property modifiers
diff --git a/GameSettings.h b/GameSettings.h
index 7786bc04..6efc8aa4 100644
--- a/GameSettings.h
+++ b/GameSettings.h
@@ -614,12 +614,13 @@ typedef struct
 
 	// Flugente: ASD
 	BOOLEAN fASDActive;
-	UINT8 usASDSupplyArrivalSector;
+
 	INT32 gASDResource_Cost[ASD_RESOURCE_MAX];
 	INT32 gASDResource_BuyTime[ASD_RESOURCE_MAX];
 
 	// Flugente: enemy heli
 	BOOLEAN fEnemyHeliActive;
+	UINT8 usEnemyHeliMinimumProgress;
 	
 	UINT16 gEnemyHeliMaxHP;
 	UINT16 gEnemyHeliTimePerHPRepair;
@@ -632,13 +633,7 @@ typedef struct
 	UINT16 gEnemyHeliSAMDamage_Var;
 	UINT16 gEnemyHeliMANPADSDamage_Base;
 	UINT16 gEnemyHeliMANPADSDamage_Var;
-
-	UINT8 usEnemyHeliBaseSector;
-	INT32 sEnemyHeliBaseParkGridno[2];
-	INT32 sEnemyHeliBaseParkTileIndex;
-
-
-
+	
 	INT32 ubEnemiesItemDrop;
 
 	BOOLEAN	gfUseExternalLoadscreens;
@@ -2212,6 +2207,16 @@ typedef struct
 	BOOLEAN AllMeanwhileCutscene;
 	BOOLEAN CreatureMeanwhileCutscene;
 
+	// [ASD]
+	UINT8 usASDSupplyArrivalSectorX;
+	UINT8 usASDSupplyArrivalSectorY;
+
+	// [Enemy Heli]
+	UINT8 usEnemyHeliBaseSectorX;
+	UINT8 usEnemyHeliBaseSectorY;
+	INT32 sEnemyHeliBaseParkGridno[2];
+	INT32 sEnemyHeliBaseParkTileIndex;
+
 }MOD_SETTINGS;
 
 // silversurfer: item property modifiers
diff --git a/Strategic/ASD.cpp b/Strategic/ASD.cpp
index 63f76dc8..46d60c45 100644
--- a/Strategic/ASD.cpp
+++ b/Strategic/ASD.cpp
@@ -190,6 +190,10 @@ void UpdateASD( )
 	if ( DidGameJustStart( ) )
 		return;
 
+	// enemy helis are unlocked either by a cutscene OR if a minimum progress threshold has been reached
+	if ( !(gASD_Flags & ASDFACT_HELI_UNLOCKED) && HighestPlayerProgressPercentage( ) >= gGameExternalOptions.usEnemyHeliMinimumProgress )
+		SetASDFlag( ASDFACT_HELI_UNLOCKED );
+
 	// determine whether we need to buy new toys
 	ASDDecideOnPurchases();
 
@@ -518,11 +522,9 @@ void AddStrategicAIResources( UINT8 aType, INT32 aAmount )
 		AddNewHeli( );
 }
 
-void ASDReceiveOrderedStrategicAIResources(UINT8 aType, INT32 aAmount)
+void ASDReduceOrderedStrategicResources( UINT8 aType, INT32 aAmount )
 {
 	gASDResource_Ordered[aType] = max( 0, gASDResource_Ordered[aType] - aAmount );
-
-	AddStrategicAIResources( aType, aAmount );
 }
 
 //////////////////////////////////////////// enemy helis /////////////////////////////////////////////////////////
@@ -654,7 +656,7 @@ void AddNewHeli( )
 			if ( (*it).flagmask & ENEMYHELI_DESTROYED )
 			{
 				(*it).flagmask = 0;
-				(*it).sector_home = gGameExternalOptions.usEnemyHeliBaseSector;
+				(*it).sector_home = SECTOR( gModSettings.usEnemyHeliBaseSectorX, gModSettings.usEnemyHeliBaseSectorY );
 				(*it).sector_destination = 0;
 				(*it).sector_waypoint = 0;
 				(*it).sector_current = (*it).sector_home;
@@ -676,7 +678,7 @@ void AddNewHeli( )
 			ENEMY_HELI data;
 
 			data.flagmask = 0;
-			data.sector_home = gGameExternalOptions.usEnemyHeliBaseSector;
+			data.sector_home = SECTOR( gModSettings.usEnemyHeliBaseSectorX, gModSettings.usEnemyHeliBaseSectorY );
 			data.sector_destination = 0;
 			data.sector_waypoint = 0;
 			data.sector_current = data.sector_home;
@@ -1316,7 +1318,7 @@ void HandleEnemyHelicopterOnGroundGraphic( )
 	UINT8 currentsector = SECTOR( gWorldSectorX, gWorldSectorY );
 
 	// only relevant if this is the enemies' heli hub
-	if ( currentsector != gGameExternalOptions.usEnemyHeliBaseSector )
+	if ( currentsector != SECTOR( gModSettings.usEnemyHeliBaseSectorX, gModSettings.usEnemyHeliBaseSectorY ) )
 		return;
 
 	INT16 id = -1;
@@ -1330,7 +1332,7 @@ void HandleEnemyHelicopterOnGroundGraphic( )
 		if ( id >= ENEMYHELI_MAX )
 			break;
 
-		AddEnemyHelicopterToMaps( ((*it).sector_current == currentsector), ((*it).flagmask & ENEMYHELI_DESTROYED), gGameExternalOptions.sEnemyHeliBaseParkGridno[id], gGameExternalOptions.sEnemyHeliBaseParkTileIndex );
+		AddEnemyHelicopterToMaps( ((*it).sector_current == currentsector), ((*it).flagmask & ENEMYHELI_DESTROYED), gModSettings.sEnemyHeliBaseParkGridno[id], gModSettings.sEnemyHeliBaseParkTileIndex );
 	}
 
 	// Invalidate rendering (if we have any helis at all)
@@ -1347,7 +1349,7 @@ void UpdateAndDamageEnemyHeliIfFound( INT16 sSectorX, INT16 sSectorY, INT16 sSec
 	UINT8 currentsector = SECTOR( gWorldSectorX, gWorldSectorY );
 
 	// only relevant if this is the enemies' heli hub
-	if ( currentsector != gGameExternalOptions.usEnemyHeliBaseSector )
+	if ( currentsector != SECTOR( gModSettings.usEnemyHeliBaseSectorX, gModSettings.usEnemyHeliBaseSectorY ) )
 		return;
 
 	// helicopter tiles are multi-tiled. Search for the base gridno
@@ -1390,7 +1392,7 @@ void UpdateAndDamageEnemyHeliIfFound( INT16 sSectorX, INT16 sSectorY, INT16 sSec
 
 		if ( (*it).sector_current == currentsector )
 		{
-			if ( gGameExternalOptions.sEnemyHeliBaseParkGridno[id] == sBaseGridNo )
+			if ( gModSettings.sEnemyHeliBaseParkGridno[id] == sBaseGridNo )
 			{
 				if ( aDestroyed )
 				{
diff --git a/Strategic/ASD.h b/Strategic/ASD.h
index 83002ae3..20309729 100644
--- a/Strategic/ASD.h
+++ b/Strategic/ASD.h
@@ -57,7 +57,9 @@ UINT32 ASDResourceCostMoney( UINT8 aType );
 
 // add resources to the AIs resource pool
 void AddStrategicAIResources( UINT8 aType, INT32 aAmount );
-void ASDReceiveOrderedStrategicAIResources( UINT8 aType, INT32 aAmount );
+
+// when we receive an ordered shipment, reduce our backlog
+void ASDReduceOrderedStrategicResources( UINT8 aType, INT32 aAmount );
 
 // enemy helis
 class ENEMY_HELI
diff --git a/Strategic/Game Event Hook.cpp b/Strategic/Game Event Hook.cpp
index 85e251da..341a211e 100644
--- a/Strategic/Game Event Hook.cpp	
+++ b/Strategic/Game Event Hook.cpp	
@@ -582,23 +582,31 @@ BOOLEAN ExecuteStrategicEvent( STRATEGICEVENT *pEvent )
 			break;
 
 		case EVENT_ASD_PURCHASE_FUEL:	
-			if ( IsSectorEnemyControlled( SECTORX( gGameExternalOptions.usASDSupplyArrivalSector ), SECTORY( gGameExternalOptions.usASDSupplyArrivalSector ), 0 ) )
-				ASDReceiveOrderedStrategicAIResources( ASD_FUEL, pEvent->uiParam );
+			ASDReduceOrderedStrategicResources( ASD_FUEL, pEvent->uiParam );
+
+			if ( IsSectorEnemyControlled( gModSettings.usASDSupplyArrivalSectorX, gModSettings.usASDSupplyArrivalSectorY, 0 ) )
+				AddStrategicAIResources( ASD_FUEL, pEvent->uiParam );
 			break;
 
 		case EVENT_ASD_PURCHASE_JEEP:
-			if ( IsSectorEnemyControlled( SECTORX( gGameExternalOptions.usASDSupplyArrivalSector ), SECTORY( gGameExternalOptions.usASDSupplyArrivalSector ), 0 ) )
-				ASDReceiveOrderedStrategicAIResources( ASD_JEEP, pEvent->uiParam );
+			ASDReduceOrderedStrategicResources( ASD_JEEP, pEvent->uiParam );
+
+			if ( IsSectorEnemyControlled( gModSettings.usASDSupplyArrivalSectorX, gModSettings.usASDSupplyArrivalSectorY, 0 ) )
+				AddStrategicAIResources( ASD_JEEP, pEvent->uiParam );
 			break;
 
 		case EVENT_ASD_PURCHASE_TANK:
-			if ( IsSectorEnemyControlled( SECTORX( gGameExternalOptions.usASDSupplyArrivalSector ), SECTORY( gGameExternalOptions.usASDSupplyArrivalSector ), 0 ) )
-				ASDReceiveOrderedStrategicAIResources( ASD_TANK, pEvent->uiParam );
+			ASDReduceOrderedStrategicResources( ASD_TANK, pEvent->uiParam );
+
+			if ( IsSectorEnemyControlled( gModSettings.usASDSupplyArrivalSectorX, gModSettings.usASDSupplyArrivalSectorY, 0 ) )
+				AddStrategicAIResources( ASD_TANK, pEvent->uiParam );
 			break;
 
 		case EVENT_ASD_PURCHASE_HELI:
-			if ( IsSectorEnemyControlled( SECTORX( gGameExternalOptions.usEnemyHeliBaseSector ), SECTORY( gGameExternalOptions.usEnemyHeliBaseSector ), 0 ) )
-				ASDReceiveOrderedStrategicAIResources( ASD_HELI, pEvent->uiParam );
+			ASDReduceOrderedStrategicResources( ASD_HELI, pEvent->uiParam );
+
+			if ( IsSectorEnemyControlled( gModSettings.usEnemyHeliBaseSectorX, gModSettings.usEnemyHeliBaseSectorY, 0 ) )
+				AddStrategicAIResources( ASD_HELI, pEvent->uiParam );
 			break;
 
 		case EVENT_ENEMY_HELI_UPDATE: